We gratefully acknowledge the valuable assistance of many
people who have contributed to the PVM project.
In particular, we thank
Peter Rigsbee and
Neil Lincoln
for their help and insightful comments.
We thank the PVM group at the
University of Tennessee and Oak Ridge National Laboratory-Carolyn
Aebischer,
Martin Do,
June Donato,
Jim Kohl,
Keith Moore,
Phil Papadopoulos,
and
Honbo Zhou-for
their assistance with the development of various pieces and components of PVM.
In addition we express appreciation to all those who
helped in the preparation of this work, in particular to
Clint Whaley and Robert Seccomb for help on the examples,
Ken Hawick for contributions to the glossary, and Gail Pieper for
helping with the task of editing the manuscript.

A number of computer vendors have encouraged and provided valuable
suggestions during the development of PVM.
We thank
Cray Research Inc.,
IBM,
Convex Computer,
Silicon Graphics,
Sequent Computer,
and Sun Microsystems
for their assistance in porting the software to their platforms.

This work would not have been possible without the support of
the Office of Scientific Computing,
U.S. Department of Energy, under Contract
DE-AC05-84OR21400;
the National Science
Foundation Science and Technology Center Cooperative
Agreement No. CCR-8809615;
and
the Science Alliance, a state-supported program
at the University of Tennessee.